This would be used as homework prior to class. Read in your textbook.
Here is a copy of the pages to read - Friction Text.pdf

Readings
http://www.tribology-abc.com/abc/friction.htm
http://regentsprep.org/regents/physics/phys01/friction/default.htm


Use one of the tools below to pull out the key words from the reading and put into your Evernote as a separate note:
Tagxedo
Wordle

Analyze the image you get and identify the key ideas associated with friction and any variables that might affect the force of friction.